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Pull down resistor for BT1 #17

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JohnOH opened this issue May 23, 2017 · 0 comments
Open

Pull down resistor for BT1 #17

JohnOH opened this issue May 23, 2017 · 0 comments

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@JohnOH
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JohnOH commented May 23, 2017

BT1 has significance in the STM32duino world as a mechanism to trigger perpetual bootloader. The general case of a high impedance pulldown on BT1 is flipped to 3v3 to enable the perpetual bootloader feature.

Currently we have a hard pull down to GND which precludes pulling to 3v3.
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@JohnOH